Hotfixed dead/404 links.
Hotfix bug: Can't define module hierarchy when English is not set as GUI
language.
Hotfix bug: Show violation source nullpointer
Small refactor in the violation overview.
[IO TEST REFACTOR] Changed testfile.xml to support the 6 core dependency types
Merge branch 'develop' of https://github.com/timohu/HUSACCT into develop
[FEATURE] Add physical classpaths to MustUse Rule

Related: #34
[BUGFIX] Remove Exception rules from severity configuration panel

Fixes: #35
Merge branch 'develop' of https://github.com/timohu/HUSACCT into removeExceptionFromSeverityPanel
removed some warnings, fixed back call and skip call rule
Merge branch 'develop' of https://github.com/timohu/HUSACCT into develop
added .pmd file to gitignore
[BUGFIX] Remove 1, which was accidentally appended to a language label
Merge branch 'develop' of https://github.com/timohu/HUSACCT into develop
Changes to code viewer, display error that the source is not found.
Merge branch 'develop' of https://github.com/timohu/HUSACCT.git into develop
Fix: CodeViewer; give an error on FileNotFound instead of blank screen.
fixed naming convention, to module is not allowed to be -1 which is the default value when toModule is null, When toModule is null, toModule = fromModule
Merge branch 'develop' of https://github.com/timohu/HUSACCT.git into develop
Code viewer, advanced path explorer to find file sources.